the united states has issued similar penalties. keep in mind oil has long been the backbone of iran's economy and the united states terror official says that the value of iran's currency has dropped like a rock. but some experts say that we are seeing new developments inside theec facilities. this is a computer-generated drewing given to the associated press and they report that it was provided by a top official tracking iran who asked to remain anonymous, and it shows an explosives' containment chamber inside a nuclear site. analysts say it is the kind of chamber you would need in order to test a nuclear weapon. which the iranians are saying they are not doing. and now judith miller, adjunct fellow at the think tank manhattan institute. so we get this image, this thing, tell us, give us some context. we have known of this for a long time. >>guest: since them when the iaea issued another critical report on iran's alleged nuclear activists. the iaea believes and they have said publicly, there are too many activists inconsistent with